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From: Hanna Czenczek <hreitz@redhat.com>
To: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>, qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, kwolf@redhat.com, eblake@redhat.com,
	berto@igalia.com, den@virtuozzo.com
Subject: Re: [PATCH 3/7] qcow2: zeroize the entire cluster when there're no non-zero subclusters
Date: Tue, 31 Oct 2023 17:06:18 +0100	[thread overview]
Message-ID: <9a0ff38b-69b6-4d12-b8e0-4fc3d11807b9@redhat.com> (raw)
In-Reply-To: <20231020215622.789260-4-andrey.drobyshev@virtuozzo.com>

On 20.10.23 23:56, Andrey Drobyshev wrote:
> When zeroizing the last non-zero subclusters within single cluster, it
> makes sense to go zeroize the entire cluster and go down zero_in_l2_slice()
> path right away.  That way we'd also update the corresponding refcount
> table.
>
> Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
> ---
>   block/qcow2-cluster.c | 18 +++++++++++++++---
>   1 file changed, 15 insertions(+), 3 deletions(-)

Reviewed-by: Hanna Czenczek <hreitz@redhat.com>



  reply	other threads:[~2023-10-31 16:06 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-20 21:56 [PATCH 0/7] qcow2: make subclusters discardable Andrey Drobyshev
2023-10-20 21:56 ` [PATCH 1/7] qcow2: make function update_refcount_discard() global Andrey Drobyshev
2023-10-31 15:27   ` Hanna Czenczek
2023-10-20 21:56 ` [PATCH 2/7] qcow2: add get_sc_range_info() helper for working with subcluster ranges Andrey Drobyshev
2023-10-31 15:53   ` Hanna Czenczek
2023-11-09 12:32     ` Andrey Drobyshev
2023-10-20 21:56 ` [PATCH 3/7] qcow2: zeroize the entire cluster when there're no non-zero subclusters Andrey Drobyshev
2023-10-31 16:06   ` Hanna Czenczek [this message]
2023-10-20 21:56 ` [PATCH 4/7] qcow2: make subclusters discardable Andrey Drobyshev
2023-10-27 11:10   ` Jean-Louis Dupond
2024-04-16 19:56     ` Andrey Drobyshev
2024-04-19  9:06       ` Jean-Louis Dupond
2023-10-31 16:32   ` Hanna Czenczek
2023-11-09 15:05     ` Andrey Drobyshev
2023-10-31 16:33   ` Hanna Czenczek
2023-11-10 13:26     ` Andrey Drobyshev
2023-11-03 15:53   ` Hanna Czenczek
2023-10-20 21:56 ` [PATCH 5/7] qcow2: zero_l2_subclusters: fall through to discard operation when requested Andrey Drobyshev
2023-11-03 15:19   ` Hanna Czenczek
2023-11-10 13:17     ` Andrey Drobyshev
2023-10-20 21:56 ` [PATCH 6/7] iotests/common.rc: add disk_usage function Andrey Drobyshev
2023-11-03 15:20   ` Hanna Czenczek
2023-11-09 12:35     ` Andrey Drobyshev
2023-10-20 21:56 ` [PATCH 7/7] iotests/271: check disk usage on subcluster-based discard/unmap Andrey Drobyshev
2023-11-03 15:51   ` Hanna Czenczek
2023-11-03 15:59     ` Hanna Czenczek
2023-11-09 14:05       ` Andrey Drobyshev
2023-11-09 13:55     ` Andrey Drobyshev

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